Search a number
-
+
256070713 is a prime number
BaseRepresentation
bin11110100001101…
…01010000111001
3122211211201222111
433100311100321
51011023230323
641224252321
76226364563
oct1720652071
9584751874
10256070713
111215aa798
12719110a1
1341089942
142601a333
1517732c0d
hexf435439

256070713 has 2 divisors, whose sum is σ = 256070714. Its totient is φ = 256070712.

The previous prime is 256070699. The next prime is 256070827. The reversal of 256070713 is 317070652.

256070713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159971904 + 96098809 = 12648^2 + 9803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-256070713 is a prime.

It is equal to p13993141 and since 256070713 and 13993141 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (256070413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128035356 + 128035357.

It is an arithmetic number, because the mean of its divisors is an integer number (128035357).

Almost surely, 2256070713 is an apocalyptic number.

It is an amenable number.

256070713 is a deficient number, since it is larger than the sum of its proper divisors (1).

256070713 is an equidigital number, since it uses as much as digits as its factorization.

256070713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 256070713 is about 16002.2096286732. The cubic root of 256070713 is about 635.0188788898.

The spelling of 256070713 in words is "two hundred fifty-six million, seventy thousand, seven hundred thirteen".